<template>
  <div class="login-container">
      <div class="login-form">
         <div v-loading="isLoading" class="qrcode-div">
             <img :src="qrcode" class="qrcode" alt="" v-if="qrcode">
            <div v-if="qrcode" class="tip">
                请用微信扫码确认您的身份
            </div>
         </div>
      </div>
  </div>
</template>

<script>
import { setToken, setUserInfo } from "../../utils/auth";
import QRCode from "qrcode";
export default {
  data() {
    return {
      qrcode: "",
      isLoading: false
    };
  },
  created() {
    this.isLoading = true;
    this.$post("/admin/login/login_qrcode").then(el => {
      this.isLoading = false;
      this.token = el.token;

      QRCode.toDataURL(el.url, (err, url) => {
        this.qrcode = url;
        setTimeout(this.doResult.bind(this), 1000);
      });
    });
  },
  methods: {
    doResult() {
      this.$post("/admin/login/check_scan_result", { token: this.token }).then(
        _ => {
          if (_ && _.loginName) {
            setToken("ok");
            setUserInfo(_);
            if (this.f) {
              clearTimeout(this.f);
              this.f = null;
            }
            this.$post("/admin/admin_role/perm_list").then(data => {
              this.$store.dispatch("GenerateRoutes", data);
              this.$router.replace("/");
            });
          }
        }
      );
      this.f = setTimeout(this.doResult.bind(this), 2000);
    }
  }
};
</script>


<style rel="stylesheet/scss" lang="scss">
$bg: #2d3a4b;
$light_gray: #eee;
.qrcode-div {
  margin: 0 auto;
  width: 250px;
  height: 250px;
  .qrcode {
    width: 250px;
    height: 250px;
  }
}
.tip {
  color: white;
  text-align: center;
  padding-top: 30px;
}
/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;
    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      &:-webkit-autofill {
        -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: #fff !important;
      }
    }
  }
  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  position: fixed;
  height: 100%;
  width: 100%;
  background-color: $bg;
  .login-form {
    position: absolute;
    left: 0;
    right: 0;
    width: 520px;
    padding: 35px 35px 15px 35px;
    margin: 120px auto;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;
    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }
  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
    &_login {
      font-size: 20px;
    }
  }
  .title-container {
    position: relative;
    .title {
      font-size: 26px;
      font-weight: 400;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
    .set-language {
      color: #fff;
      position: absolute;
      top: 5px;
      right: 0px;
    }
  }
  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .thirdparty-button {
    position: absolute;
    right: 35px;
    bottom: 28px;
  }
}
</style>
